作者:Taro Nomura、Toshio Fukai、Junko Matsumoto
DOI:10.1002/jhet.5570170404
日期:1980.6
of this oxidative cyclization was discussed. In addition, morusin hydroperoxide (II) was also obtained by photo-sensitized oxidation of morusin (I) in the presence of sensitizers (Rose Bengal, hematoporphyrin). To elucidate the reaction mechanism similar reactions were carried out in the presence of radical quencher (2,4,6-tri-t-butylphenol) or singlet oxygen quencher (triethylenediamine). From these
使用单电子转移氧化剂(二氧化锰,氧化银)对桑mo(I)进行氧化环化,得到桑mo氢过氧化物(II)。类似的反应在-2,4,6-三-的存在下进行吨丁基苯酚,自由基淬灭剂,以得到加上-2,4,6-三-化合物(IV,V,VI和VII)吨-丁基苯氧基。基于以上结果,讨论了该氧化环化的可能机理。另外,还通过在敏化剂(Rose Bengal,血卟啉)存在下对morusin(I)进行光敏氧化获得了morusin氢过氧化物(II)。阐明反应机理类似反应在自由基猝灭剂的存在下进行(2,4,6-三-吨-丁基苯酚)或单线态氧淬灭剂(三亚乙基二胺)。从这些结果,讨论了由莫鲁辛(I)形成莫鲁辛氢过氧化物(II)的可能机理。